Table 8.
Anthropometric, admission laboratory data and main clinical outcomes in NIV trial responder and non-responder patient subgroups.
| Responder (n=46) | Non responder (n=172) | |||||||||||||||
| n | % | Mean | SD | Med | 25 | 75 | N | % | Mean | SD | Med | 25 | 75 | P | ||
| Age (years) | 58.5 | 10.5 | 59.0 | 54 | 63.8 | 65.7 | 10.5 | 67.0 | 60.8 | 72 | ||||||
| Weight (kg) | 93.0 | 19.9 | 90.0 | 77 | 109 | 84.1 | 18.1 | 83.0 | 74 | 92 | ||||||
| BMI (kg/m2) | 32.3 | 6.3 | 30.6 | 27.6 | 36.2 | 29.5 | 6.6 | 28.1 | 25.2 | 31.6 | 0.017 | |||||
| Hospital stay | 27.1 | 15.2 | 24.0 | 18 | 31 | 23.7 | 23.7 | 16.5 | 8 | 28 | ||||||
| Admission -NIV | 4.0 | 4.5 | 3.0 | 1 | 5.8 | 4.3 | 5.0 | 3.0 | 1 | 6 | ||||||
| NIV duration | 8.0 | 4.8 | 6.5 | 5 | 11.8 | 5.9 | 5.2 | 5.0 | 2 | 7 | ||||||
| Admission - ICU transfer | 8.9 | 6.9 | 8.0 | 4 | 10 | |||||||||||
| ICU stay | 18.3 | 18.6 | 14.0 | 3 | 26.8 | |||||||||||
| Gender (F) | 19 | 41.3 | 57 | 33.1 | ||||||||||||
| ICU transfer | 74 | 43 | ||||||||||||||
| Mortality | 130 | 75.6 | ||||||||||||||
n, number; SD, standard deviation Med, median; 25, 25th percentile; 75, 75th percentile; BMI, body mass index; NIV, non-invasive ventilation; ICU, intensive care unit; F, female; Admission-NIV, NIV duration, Admission-ICU transfer and ICU stay are expressed in days.